A Pennsylvania man was caught at an airport trying to sneak a bomb onto a flight to Florida inside his luggage this week, officials said. Mark Muffley, 40, was due to board an Orlando-bound Allegiant Air flight at Lehigh Valley International Airport in Pennsylvania on Monday, when the explosive device was found in his checked bag, WPVI-TV reported Wednesday. The small device set off an alarm as it was being screened by the TSA, according to the complaint against Muffley. When agents then searched the bag, they found inside the lining a device that was about 3 inches in diameter....